<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>外部样式</title>
		<link rel="stylesheet" type="text/css" href="css/5.11.css"/>
	</head>
	<body>
		<h1>在此处登陆</h1>
		<foem>
			<input type="text" class="txt"/>
			<input type="password" class="txt"/>
			<br />
			<input type="submit" class="btn" />
			<input type="reset" class="btn" />
		</foem>
		<p>以下是一些测试用的链接</p>
		<p>
		    <a href="5.2.html">HTML选择器</a>
		    <a href="5.3.html">类选择器</a>
		    <a href="5.4.html">ID选择器</a>
		    <a href="5.5.html">伪类选择器</a>
		</p>
	</body>
</html>
